The Effect of Lavender Aromatherapy on Nausea and Vomiting in Pregnant Women in First Trimester of Pregnancy by Putu Noviana Sagitarini, I Dewa Ayu Agra Darmawati, Ni Komang Tri Agustini, Ni Made Candra Citra Sari

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修形直齿轮的啮合干涉与啮合间隙 by 孙月海, 郑惠江, 张策

“…Based on the analysis of the relation among tooth deformation, normal profile modification and manufacturing error of tooth profiles, investigation is made on geometric interference or meshing clearance, which occurs when the mating teeth commence to approach or recess contact along the path of contact. …”
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Adaptive anti-jamming technologies based on direct sequence spread spectrum and single carrier frequency domain equalization by Fanglin GU, Yuzhen HUANG, Ying ZHAO, Haitao ZHAO, Jibo WEI

“…To solve the performance limitation of direct sequence spread spectrum system in complex multipath environment, an adaptive anti-jamming spread spectrum framework that organically combines single carrier frequency domain equalization (SCFDE) and direct sequence spread spectrum (DSSS) technologies was proposed.The frequency multipath fading was overcame by frequency domain equalization, and the transmission rates and high reliability was reconfigured by deploying variable spread factors.Moreover, the inherent fast Fourier transform process was made full use at the receiver to realize the adjoint detection and analysis of interference intensity, interference type and other information, etc.Then, the frequency domain bearing point online was optimized and selected to improve the adaptability to the interference, especially blocking interference.The simulation results show that the proposed direct spread spectrum waveform based on SCFDE has good communication performance in both Gaussian and multipath environments, and the notch of some frequency bands has little impact on the communication performance, which verifies the effectiveness of anti-jamming by adaptive optimizing information frequency domain bearers.…”
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Separation method of predistortion for Wiener PA by CHEN Kai-ya, WANG Min-xi

“…Simulation is made to signify that the method proposed is simple and can get more fast speed and more accurate convergence result.…”
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Advanced device for measuring linear and angular components of small displacements of monitor object surfaces by Igor P. Miroshnichenko

“…A new interference technique of measuring small linear and angular displacements is developed and theoretically grounded. …”
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Mobile direct-sequence spread-spectrum underwater acoustic communication based on improved differential energy detector by Peng-yu DU, Long-xiang GUO, Jing-wei YIN, Gang QIAO

“…A Doppler estimation method based on the structural features of spread spectrum signal was proposed,which could achieve real-time Doppler estimation for received spread spectrum signals by energy detecting the result of matching correlation calculation of adjacent received spreading symbols.In addition,this method made full use of the spread spectrum processing gain and could do Doppler estimation under low SNR condition.Improved differential energy detector was further proposed,which can effectively deal with the rapid carrier phase fluctuation interference caused by Doppler effect and time-varying multi-path interference by detecting the output energy of two correlators.Simulation verified the robustness of improved differential energy detector algorithm and the Doppler estimation method based on spread spectrum signal.At-sea data shows that improved differential energy detector combined with the proposed Doppler estimation method can achieve low bit error rate communication for direct-sequence spread spectrum underwater acoustic communication with large time-varying Doppler interference when SNR is −10 dB.…”
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Separation method of predistortion for Wiener PA by CHEN Kai-ya, WANG Min-xi

“…Simulation is made to signify that the method proposed is simple and can get more fast speed and more accurate convergence result.…”
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Advances in Interferometric Synthetic Aperture Radar Technology and Systems and Recent Advances in Chinese SAR Missions by Qingjun Zhang, Huangjiang Fan, Yuxiao Qin, Yashi Zhou

“…Single-pass interference mainly includes CT-InSAR and AT-InSAR. Recently, China has made significant progress in the field of SAR satellite development, successfully launching several satellites equipped with interferometric measurement capabilities. …”
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Mobile direct-sequence spread-spectrum underwater acoustic communication based on improved differential energy detector by Peng-yu DU, Long-xiang GUO, Jing-wei YIN, Gang QIAO

“…A Doppler estimation method based on the structural features of spread spectrum signal was proposed,which could achieve real-time Doppler estimation for received spread spectrum signals by energy detecting the result of matching correlation calculation of adjacent received spreading symbols.In addition,this method made full use of the spread spectrum processing gain and could do Doppler estimation under low SNR condition.Improved differential energy detector was further proposed,which can effectively deal with the rapid carrier phase fluctuation interference caused by Doppler effect and time-varying multi-path interference by detecting the output energy of two correlators.Simulation verified the robustness of improved differential energy detector algorithm and the Doppler estimation method based on spread spectrum signal.At-sea data shows that improved differential energy detector combined with the proposed Doppler estimation method can achieve low bit error rate communication for direct-sequence spread spectrum underwater acoustic communication with large time-varying Doppler interference when SNR is −10 dB.…”
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Fast blind detection of short-wave frequency hopping signal based on MeanShift by Zhengyu ZHU, Yu LIN, Zixuan WANG, Kexian GONG, Pengfei CHEN, Zhongyong WANG, Jing LIANG

“…In the complex short-wave channel environment, combined with time-frequency analysis technology, a fast blind detection algorithm of the connected domain labeled frequency hopping signals based on MeanShift algorithm was proposed to reduce the influence of various interference signals and noises on frequency hopping signals and realize blind detection of frequency hopping signals under low signal-to-noise ratio.Firstly, the channel environment gray-scale time-frequency map was filtered by the secondary gray-scale morphology to obtain the binary time-frequency map.Secondly, the maximum duration of the signal was calculated by the connected domain labeling algorithm.Then, the MeanShift algorithm was used to cluster the maximum duration of the signal.Finally, the clustering result was made a second judgment by combining with the adaptive double threshold.The simulation results show that the proposed algorithm can quickly separate various interference signals and sharp noise under low signal-to-noise ratio, and realize fast blind detection of frequency hopping signals without any prior information.It has high detection probability, strong anti-interference ability in short-wave channel environment, low computational complexity and high engineering practical value.…”
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Direct nanopatterning of complex 3D surfaces and self-aligned superlattices via molecular-beam holographic lithography by Shuangshuang Zeng, Tian Tian, Jiwoo Oh, Zhan-Hong Lin, Chih-Jen Shih

“…Here we explore a concept based on the Moiré interference of molecular beams to directly pattern complex three-dimensional (3D) surfaces made by any evaporable materials, such as metals, oxides and organic semiconductors. …”
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COMPLICATIONS OF PURULENT MENINGOENCEPHALITIS IN CHILDREN by A. N. Rubin, Yu. A. Shcherbuk, A. P. Lyapin

“…Based on their work, the authors made a conclusion that meningoencephalitis required an emergency neurosurgical interference in order to avoid complications in convalescence period.…”
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Taming the Delayed Choice Quantum Eraser by Johannes Fankhauser

“…Significantly, the choice whether there is interference or not can be made long after the signal photon encounters the screen. …”
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An industrial Internet-of-things URLLC system via cross-layer design for anti-jamming by WANG Xiang, ZHAO Peiyi, ZENG Qi, ZHONG Jun, ZHANG Xing, SU Jingru

“…The theoretical relationship between BER/BLER and transmission delay was derived and compromises were made. Simulation results demonstrate that the scheme can ensure stable transmission quality of IIoT nodes despite external electromagnetic interference and internal multi-user interference, achieving a transmission delay of milliseconds when the target BLER is 10^-5. …”
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Base Station Placement Algorithm for Large-Scale LTE Heterogeneous Networks. by Seungseob Lee, SuKyoung Lee, Kyungsoo Kim, Yoon Hyuk Kim

“…Particularly noting that some HetNet cells have strong correlations due to inter-cell interference, we propose a correlation grouping approach in which cells are grouped together according to their mutual interference. …”
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FORMATION OF AN INFORMATION AND CONSULTING CONTROL SYSTEM OF REGIONAL AGRARIAN AND INDUSTRIAL COMPLEX by T. Sozaeva, A. Hitieva

“…Modern regional economies in many respects is defined by interaction and interference of regularities of global, national and regional levels. …”
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Sufficient level of radiation power of GSM base stations on urban area taking into account attenuation of radiowaves in buildings and intrasystem electromagnetic compatibility by V. I. Mordachev, A. S. Svistunov

“…The results of estimation of required and sufficient levels of radiated power of base stations of cellular communications of GSM standard at the voice communication mode on urban area, taking into account average attenuation of radio waves in buildings and levels of intranetwork interference are given. The analysis is made on the basis of behavior simulation of the fragment of cellular network, executed with the use of multibeam radiowave propagation model and the topological model of a fragment of urban area of the central part of Minsk by comparison of quantiles of statistical distributions of levels of received signals on various floors of buildings and also relative quantity of mobile stations, for which «Signal / (Interference + Noise)» ratio does not exceed a critical threshold of 9 dB, on various floors of buildings at different radiation power of base station. …”
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DESIGN AND SIMULATION PLASMONIC 2X1 MULTIPLEXER BASED ON ELLIPTICAL RING RESONATOR by Mohammed Sabah Talib, Faris al-Jaafiry

“…This research explores a new plasmonic multiplexer built with tiny ring-shaped waveguides made of insulator-metal-insulator IMI layers, and implemented using Finite Element Method FEM in a 2D format. …”
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Generation of Optical Vortex Arrays Using Single-Element Reversed-Wavefront Folding Interferometer by Brijesh Kumar Singh, G. Singh, P. Senthilkumaran, D. S. Mehta

“…At the output of interferometer, three-beam interference gives rise to optical vortex arrays. In second interferometric configuration, a divergent wavefront was made incident on a single CBS which splits and combines wavefronts leading to the generation of vortex arrays due to four-beam interference. …”
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Structural Strength Finite Element Analysis for the Inscribed Cone Shaft of JD160A Traction Motor by LAN Wanli, KE Qirui

“…On this basis, an analysis and a comparison were made regarding the influence of magnitude of interference, oil slot chamfer and coefficient of friction on the shaft’s equivalent stress, contact pressure and slippage in order to provide data reference for the fatigue failure of the cone shaft.…”
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